Slow Horses (TV) Cast
The cast of Slow Horses. Updated on October 7, 2025.
111 actors
Gary Oldman
as Jackson Lamb (18 episodes)

Gary Oldman portrays the character of Jackson Lamb in Slow Horses.

Jack Lowden
as River Cartwright (18 episodes)

Jack Lowden plays the role of River Cartwright in Slow Horses.

Kristin Scott Thomas
as Diana Taverner (18 episodes)

Kristin Scott Thomas portrays the character of Diana Taverner in Slow Horses.

Sam Hazeldine
as Moe (2 episodes)

Sam Hazeldine plays the role of Moe in Slow Horses.

Miltos Yerolemou
as Theo Makris (1 episode)

Miltos Yerolemou portrays the character of Theo Makris in Slow Horses.

Kurt Egyiawan
as Roger Barrowby (1 episode)

Kurt Egyiawan plays the role of Roger Barrowby in Slow Horses.

Paul Higgins
as Struan Loy (3 episodes)

Paul Higgins portrays the character of Struan Loy in Slow Horses.

Joey Ansah
as Agent Pierce (1 episode)

Joey Ansah plays the role of Agent Pierce in Slow Horses.

Julie Atherton
as Melanie (1 episode)
Steven Waddington
as Jed Moody (4 episodes)
Freddie Fox
as Spider Webb (11 episodes)
Olivia Cooke
as Sidonie 'Sid' Baker (3 episodes)
Lucy Ford
as Liz Montague (1 episode)
Miles Yekinni
as Lead Dog (1 episode)
Bronwyn James
as Young Mum (1 episode)
Paul Hilton
as Robert Hobden (4 episodes)
Saskia Reeves
as Catherine Standish (16 episodes)
Antonio Aakeel
as Hassan Ahmed (6 episodes)
Samuel West
as Peter Judd (8 episodes)
David Walmsley
as Larry (5 episodes)
Stephen Walters
as Zeppo (5 episodes)
Brian Vernel
as Curly (5 episodes)
Christopher Chung
as Roddy Ho (17 episodes)
Chris Coghill
as Hobbs (7 episodes)
Edmund Kingsley
as Seb (2 episodes)
Charlotte Pyke
as Olivia Judd (2 episodes)
Johanna Taylor
as Nell Wiseman (2 episodes)
Bally Gill
as Agent Singh (5 episodes)
Sophie Okonedo
as Ingrid Tearney (7 episodes)
Lesley Harcourt
as Agent Owen (3 episodes)
Jonathan Pryce
as David Cartwright (5 episodes)
Pierro Niel-Mee
as Agent McCrae (1 episode)
Ravi Aujla
as Mr Abdul Ahmed (2 episodes)
Melissa Suppiah
as Mrs Fatima Ahmed (2 episodes)
James Faulkner
as Charles Partner (2 episodes)
Dustin Demri-Burns
as Min Harper (10 episodes)
Chris Reilly
as Nick Duffy (13 episodes)
Rosalind Eleazar
as Louisa Guy (18 episodes)
Marek Vašut
as Andre Chernitsky (5 episodes)
Aimee-Ffion Edwards
as Shirley Dander (12 episodes)
Kadiff Kirwan
as Marcus Longridge (12 episodes)
Phil Davis
as Dickie Bow (1 episode)
Mark Stewart
as Young Dickie Bow (1 episode)
Leon Davies
as Young Chernitsky (1 episode)
Delroy Atkinson
as Bus Driver (1 episode)
Naomi Wirthner
as Molly Doran (5 episodes)
Divian Ladwa
as Simon (1 episode)
Charly Burridge Jones
as Elessar Interviewer (1 episode)
Fergus Rees
as Elessar Interviewer (1 episode)
Ojang Cenc
as Cal Fenton (1 episode)
Rade Šerbedžija
as Nikolai Katinsky (4 episodes)
Nicola Sanderson
as Sally (1 episode)
Colin Mace
as Kenny Muldoon (1 episode)
Zahari Baharov
as Piotr Volodin (5 episodes)
Yerden Telemisov
as Kyril Asimov (4 episodes)
Tamsin Topolski
as Kelly Tropper (4 episodes)
Adrian Rawlins
as Duncan Tropper (4 episodes)
Emily Bruni
as Rebecca Mitchell (2 episodes)
Alec Utgoff
as Arkady Pashkin (4 episodes)
Catherine McCormack
as Alex Tropper (4 episodes)
Sean Gilder
as Sam Chapman (2 episodes)
Laura Bayston
as Reporter (2 episodes)
Sid Sagar
as John (1 episode)
Branko Đurić
as Victor Krymov (2 episodes)
David Buttle
as Young Katinsky (1 episode)
Sabine Kviste
as Hubb Agent (1 episode)
Michael Yale
as Officiant (1 episode)
Hywel Morgan
as Reporter (1 episode)
Tom Mulheron
as Lucas (1 episode)
Katherine Waterston
as Alison Dunn (1 episode)
Sope Dirisu
as Sean Donovan (6 episodes)
Charlie Rowe
as Ben Dunn (5 episodes)
Eliot Salt
as Sarah Dunn (6 episodes)
Siôn Daniel Young
as Douglas (3 episodes)
Selahattin Çakir
as Water Taxi Driver 1 (1 episode)
Ömer Faruk Ertuğrul
as Water Taxi Driver 2 (1 episode)
Fırat Doğruloğlu
as Alison's Contact (1 episode)
George Turvey
as Husband (1 episode)
Caroline Harker
as Doctor's Receptionist (1 episode)
Simon Chandler
as Doctor (1 episode)
Roli Okorodudu
as Chairperson AA (1 episode)
Azaan Symes
as Kebab Shop Man (1 episode)
Connor Porter
as Lad in Kebab Shop (1 episode)
Bradley Connor
as Lad in Kebab Shop (1 episode)
Will Bowden
as Taverner's Driver (1 episode)
Henry Davis
as Louisa's Pickup (1 episode)
Olwen May
as Park Receptionist (2 episodes)
Chi Aloysius
as Tall Dog (1 episode)
Musa Lutfi
as Ice Cream Man (1 episode)
Henry Davis
as Louisa's Pickup (1 episode)
Thomas Coombes
as Impounder (1 episode)
Alexandra D'Sa
as Lab Technician (1 episode)
Rebecca Dyson-Smith
as Agent Smith (1 episode)
El Anthony
as John Bailey (1 episode)
Nick Blood
as Sturges (4 episodes)
Gavin Spokes
as Sly Monteith (2 episodes)
Sarah Seggari
as Police Officer Moseley (1 episode)
George Whitehead
as Police Officer Jordache (1 episode)
Iain Fletcher
as Chauffeur (1 episode)
Lucy Aarden
as Chieftain Receptionist (2 episodes)
For the best insights and data about the TV show Slow Horses, visit our main Slow Horses page.